(For faster updates on individual market-movers, Eikon users please use search string "STXBZ US"; for the Day Ahead newsletter, link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) U.S. stock indexes rose on Tuesday after data showed retail sales continued to climb in August, strengthening the case for an interest rate increase when the Federal Reserve meets this week. The Dow Jones industrial average was up 1.05 percent at 16,543.03, the S&P 500 was up 0.90 percent at 1,970.54 and the Nasdaq Composite was up 0.78 percent at 4,843.436.

** FIAT CHRYSLER AUTOMOBILES NV, $14.73, +2.79 pct

Negotiators for the United Auto Workers and the company continued bargaining on Tuesday over wages and benefits for about 40,000 U.S. workers as the union delayed calling for strikes at the company’s most profitable operations.

** GW PHARMACEUTICALS PLC, $113.5, +6.17 pct

The UK-based company said its experimental cannabis drug for treating schizophrenia was found to be superior to a placebo in a mid-stage trial.

** FITBIT INC, $32.81, +2.53 pct

Pacific Crest Securities started covering the wearable device maker’s stock with an “overweight” rating and a price target of $47. Apple Inc’s current presence in fitness watches doesn’t represent a risk to Fitbit, analysts wrote in a note. The company’s business is growing “ridiculously” fast and while consumer sales should drive the business, it can also expand in the corporate wellness market, they said.

** MAXWELL TECHNOLOGIES, $5.97, +16.83 pct

The electrical energy storage components maker said General Motors is the first U.S. automaker to adopt its ultracapacitor-based voltage stabilization system (VSS). VSS is part of an enhanced start-stop system which lowers fuel costs, improves performance and reduces emissions, the company said.

** GRAY TELEVISION INC, $12.98, +10.56 pct

The broadcaster said it would acquire Schurz Communications Inc’s television and radio stations for $442.5 million. Gray Television said it expected the deal to add to its free cash flow.

** CONN’S INC, $26.64, -4.58 pct

Stifel, Nicolaus & Co cut its rating on the household goods retailer and insurance service provider’s shares to “hold” from “buy”, saying it was uncomfortable “with the continuing weakening trend of credit performance at the company.” Analysts also said that the stock was really a function of credit, not retail performance.

** SILVER WHEATON CORP, $11.55, +3.59 pct

The Canadian company, which invests in miners in exchange for silver and gold, said it would buy back for cancellation up to 20.2 million shares on the Toronto and New York stock exchanges. The shares represent 5 percent of Silver Wheaton’s outstanding shares as of Sept. 11.

** INTEROIL CORP, $35.52, +4.78 pct

** MIDSTATES PETROLEUM CO INC, $5.93, +4.22 pct

** COMSTOCK RESOURCES INC, $2.5, +3.31 pct

** PIONEER ENERGY SERVICES, $2.44, +3.39 pct

** BONANZA CREEK ENERGY INC, $6.01, +4.89 pct

Oil prices edged further above $46 per barrel, supported by prospect of lower U.S. inventories and production.

InterOil shares were also boosted by their addition to Goldman Sachs’ conviction list on “strong flow test results” from the company’s Antelope drilling well.

** XENOPORT INC, $4.99, -25.85 pct

The drugmaker said its drug, XP23829, showed 22-40 percent of diarrhea events, compared with 15 percent for placebo group, in a mid-stage trial even though it was effective in treating psoriasis, a type of chronic inflammatory disease of the skin. “XenoPort should stop spending limited resources on a drug that, while active, appears to be inferior to the standard of care in psoriasis,” Cowen & Co’s Eric Schmidt wrote in a note.

** SHILOH INDUSTRIES INC, $8.72, -14.97 pct

The provider of noise- and vibration-reducing products to automotive markets said it had overstated its cost of sales for the first quarter ended Jan. 31 and six months ended April 30 by about $1.7 million and $1.1 million, respectively. The company also said the reported first-quarter net profit of $3.7 million was overstated by about $1.2 million, and the 6-month net profit of $10.9 million was overstated by about $800,000. The error was due to a plant controller at its Wellington facility circumventing certain internal controls, Shiloh said.

** WEIGHT WATCHERS INTERNATIONAL INC, $6.49, +13.07 pct

Craig-Hallum Capital analysts raised their rating on the weight loss services and products company’s shares to “buy” from “hold”, citing improvement in customer response to marketing and confidence in the company’s ability to meet near-term debt obligations. The brokerage also raised its price target to $10 from $6.

** EVOKE PHARMA INC, $3.63, +8.36 pct

The specialty drug developer said that a late-stage trial design for its drug EVK-001 is consistent with the FDA’s guidelines. EVK-001 is used to treat gastroparesis, a condition in which the stomach takes too long to empty its contents.

** SUNEDISON INC, $11.04, +4.15 pct

Bank of America-Merrill Lynch (BofA-Merrill) resumed coverage of the company’s stock with a “buy” rating, saying future cash flows from SunEdison’s yieldco entities are undervalued. BofA-Merrill set a price objective of $18 on the stock and said it believed capital infusions from strategic and financial partners such as Dominion and JP Morgan would remain available to SunEdison to execute on development opportunities.

** MICROSOFT CORP, $43.8401, +1.86 pct

The company sent out invitations on Monday for an event on Oct. 6, where it is expected to unveil new devices that run on Windows 10, its latest operating system.

** APIGEE CORP, $8.28, +6.15 pct

The software developer’s Chief Financial Officer Tim Wan disclosed late on Monday an acquisition of 4,000 shares at a weighted average price of $7.9985 per share. (Compiled by Manish Parashar in Bengaluru; Editing by Kirti Pandey)